Loading and Parsing CSV data

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Loading and Parsing CSV data

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Last edited Mar 11, 2021

Created on Mar 9, 2021

This example demonstrates how to load and parse a CSV file using D3.js v6, displaying the file size, row count, and column count of a CSS named colors dataset. The code fetches the CSV from a GitHub gist via `d3.csv`, then reports the parsed results using `d3.csvFormat` and the resulting array’s `length` and `columns` properties. It also includes commented-out alternatives using the Fetch API with `async`/`await` and `d3.csvParse`, showing multiple approaches to the same task. The output appears as large text in a `<pre>` element.

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A bare minimum HTML page demonstrating use of CSS and JavaScript.

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